S2 key definitions 4.5 / 5 based on 2 ratings ? MathematicsStatistics, averages and distributionsA2/A-levelEdexcel Created by: SophieCreated on: 16-02-15 15:09 52493611078 Across 1. an investigation using a sample (6, 6) 7. a quantity which is a function of a set of observations which does not involve any unknown parameters (9) 8. population of infinite/indiscernible size e.g. grains of sand on a beach (8, 10) Down 2. the set of values of the test statistic for which H0 is rejected in a hypothesis test (8, 6) 3. a group of individuals which form a subset of the population (6) 4. population of a discernible size e.g. pupils at a school (6, 10) 5. the probability distribution of a statistic which gives all its possible values and the probability of each occurring (8, 12) 6. an investigation which obtains information from all members of the population (6) 9. the individual units of a population (i.e. each child in a class would be a sampling unit) (8, 5) 10. collection of all individual people or items (10)
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